Questions tagged [transparency-opacity]
The ability to make a GIS layer transparent. That is, the ability to adjust the opacity or transparency of a layer to allow information below the layer to be visible.
275 questions
0 votes
0 answers
19 views
A way to implement 'Find All'
I am a happy user of Google Earth Pro and have developed a map of 1400 trees in the Collington arboretum. People have been using the product and have asked questions like "Where is the Parasol ...
1 vote
0 answers
58 views
GDAL can't read vector objects opacity and boundary width in GeoPDF format
I use GDAL v.3.9.2 and poppler v.24.04 to read GeoPDF files. But when I try to read GeoPDF with vector objects, style strings for the most vector objects are not correct. This style string I get using ...
0 votes
0 answers
30 views
MapProxy turns transparent layer black (no opacity)
I'm trying use a MapProxy service to serve WMS layers. Some of them are vector layers (roads, world borders) and are mostly transparent. When viewing the layer there is no transparency at all. (What ...
4 votes
2 answers
178 views
QGIS: Selection color based on layer color
I have a shapefile in QGIS Desktop 3.40.5 and I want to change the selection color so that I still see the original color of a shape. Let's say I have a bunch of parcels, with some being red and some ...
1 vote
2 answers
130 views
Add an alpha band to a RGB GeoTIFF and make specific colors transparent using GDAL
I have a uInt8 RGB GeoTIFF file and the part of the TIFF is pure white (255,255,255) or pure black (0,0,0), all those area were considered no data and I want to make them transparent. I tried add ...
0 votes
0 answers
63 views
Displaying partial transparency
I'm having a problem with partial transparency in QGIS Bratislava 3.40.6. I'm trying print various sections of maps from the NSW Government in Australia in borderless GeoTIF format that I've combined ...
3 votes
1 answer
91 views
In QGIS: how can I get an hillshade raster layer from a DEM file, with the same appearence as another one taken from MapTiler? (needs transparency)
I would like to obtain, from a DEM file, a raster hillshade layer with the same appearence of one taken from MapTiler plugin service (type: Topo as vector). The MapTiler layer is a semi-transparent ...
5 votes
2 answers
275 views
Defining opacity of the "Fill color" in Symbology in QGIS
I'm using the last LTR version of QGIS (3.40.4), and I want to know how to define opacity for all the polygons (with random color), but not on the stroke, which I want to keep white (100 % opacity. I ...
1 vote
0 answers
64 views
Unexpected behavior with custom transparency of raster in QGIS 3.24.3
I have noticed an unexpected behavior while playing with custom transparency of a single band raster (Digital elevation model; .flt format). I mistype the transparency value I wanted and made it 500% ...
0 votes
0 answers
68 views
Add transparency to raster bands where did not exist before
My original radar image is a tiff image with one single band. Metadata:AREA_OR_POINT=Area Image Structure Metadata: COMPRESSION=DEFLATE INTERLEAVE=BAND Corner Coordinates: Upper Left ( ...
0 votes
1 answer
81 views
Lines shapefile with black borders but transparency
In QGIS it is easy to remove fill inside a polygon to only keep black border. For the lines entities removing fill (or apply transparency) will only reveal the black bolder line behind of it that ...
0 votes
0 answers
266 views
WMS with white background
I have some WMS that come out as a white overlay. I can see the polygons but it "blocks" the background map.Example: https://ext-geodata-nationella.lansstyrelsen.se/arcgis/services/LST/...
3 votes
1 answer
1k views
Transparent but outlined layer in Google Earth Engine
My original code creates red boxes over my study area: Map.addLayer(geometry, {color: 'FF0000'}); I would like for these boxes to have a transparent fill and clear borders. I have tried this based on ...
1 vote
2 answers
145 views
Raster layer transparency based on another raster layer values (QGIS)
I'm working in QGIS. I have two raster layers: an unique values raster, representing the number of wind turbines visible for each pixel (reds palette) a raster with values (0-20000) expressing the ...
1 vote
1 answer
157 views
Opacity ramp in palette to visualize multi-band image in Google Earth Engine
I want to visualize an image on the Earth Engine with an opacity ramp such that the low value pixels are completely transparent. Take as as example road intensity. I am trying to make an opacity ramp ...